Invoke hook of incremental eval after parent is updated in setParent

src/template/ast/ASTNode.tt

@@ -258,8 +258,8 @@ $endif
 ASTNode.setParent [[
   /** @apilevel low-level */
   public void $ASTNode.setParent($ASTNode node) {
-    $include(ASTNode.incHookSetParent)
     parent = node;
+    $include(ASTNode.incHookSetParent)
   }
 ]]